"""

author:Jin


"""
import re
num1 = input("请随机输入数字")
ret = re.findall(r'[+-]?\d+\.\d+',num1)

if ret != []:
    print("这是浮点数:",num1)
else:
    ret1 = re.findall(r'-',num1)
    if ret1 == []:
        print("这一个正整数",num1)
    else:
        print("这一个负整数",num1)